cornell bernard is live in bet human ma. -- petaluma. folks are bundling up. >> folks here are bracing for the coldest night so far this year. behind me, petaluma boulevard, it's been very quiet for hours. near freezing temperatures keeping many people inside. >> it's so cold in petaluma, you might swear these icicles were the real thing. >> it's no night for street performer danny burks to be outside with his dog, molly. >> i'm from iowa. we get this type of cold, but we get it with snow. so frost all every everything, all over the sleeping bags. >> the frost almost looked like snow on auto row after a deep freeze overnight, which sent aaron into survival mode. >> heat cranked up high and lots of extra blankets. >> surprised tourists thought california was always warm and sunny. >> it's cold as ice. that and the wind and rain, i thought i was back home. >> the frigid cold was great for business at this store, where it's christmas every day. >> we had a lot of people coming in, just checking out the store. so it helps out with the busine